text: const http2 = require('http2');
  const server = http2.createServer();
  server.on('stream', (stream, requestHeaders) => {
  	stream.respond({ ':status': 200, 'content-type': 'text/plain' });
  	stream.write('hello ');
  	stream.end('world');
  });
  server.listen(8000);
  
  // Because the HTTP/2 support is still experimental, in order to run this server, the Node.js instance must be started using the --expose-http2 command line argument:
  
  // $ node --expose-http2 h2server.js